drivers/bluetooth/btusb.c

   1 /*
   2  *
   3  *  Generic Bluetooth USB driver
   4  *
   5  *  Copyright (C) 2005-2008  Marcel Holtmann <marcel@holtmann.org>
   6  *
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  *
  22  */
  23
  24 #include <linux/module.h>
  25 #include <linux/usb.h>
  26
  27 #include <net/bluetooth/bluetooth.h>
  28 #include <net/bluetooth/hci_core.h>
  29
  30 #define VERSION "0.6"
  31
  32 static bool ignore_dga;
  33 static bool ignore_csr;
  34 static bool ignore_sniffer;
  35 static bool disable_scofix;
  36 static bool force_scofix;
  37
  38 static bool reset = 1;
  39
  40 static struct usb_driver btusb_driver;
  41
  42 #define BTUSB_IGNORE            0x01
  43 #define BTUSB_DIGIANSWER        0x02
  44 #define BTUSB_CSR               0x04
  45 #define BTUSB_SNIFFER           0x08
  46 #define BTUSB_BCM92035          0x10
  47 #define BTUSB_BROKEN_ISOC       0x20
  48 #define BTUSB_WRONG_SCO_MTU     0x40
  49 #define BTUSB_ATH3012           0x80
  50
  51 static struct usb_device_id btusb_table[] = {
  52         /* Generic Bluetooth USB device */
  53         { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
  54
  55         /* Broadcom SoftSailing reporting vendor specific */
  56         { USB_DEVICE(0x0a5c, 0x21e1) },
  57
  58         /* Apple MacBookPro 7,1 */
  59         { USB_DEVICE(0x05ac, 0x8213) },
  60
  61         /* Apple iMac11,1 */
  62         { USB_DEVICE(0x05ac, 0x8215) },
  63
  64         /* Apple MacBookPro6,2 */
  65         { USB_DEVICE(0x05ac, 0x8218) },
  66
  67         /* Apple MacBookAir3,1, MacBookAir3,2 */
  68         { USB_DEVICE(0x05ac, 0x821b) },
  69
  70         /* Apple MacBookAir4,1 */
  71         { USB_DEVICE(0x05ac, 0x821f) },
  72
  73         /* Apple MacBookPro8,2 */
  74         { USB_DEVICE(0x05ac, 0x821a) },
  75
  76         /* Apple MacMini5,1 */
  77         { USB_DEVICE(0x05ac, 0x8281) },
  78
  79         /* AVM BlueFRITZ! USB v2.0 */
  80         { USB_DEVICE(0x057c, 0x3800) },
  81
  82         /* Bluetooth Ultraport Module from IBM */
  83         { USB_DEVICE(0x04bf, 0x030a) },
  84
  85         /* ALPS Modules with non-standard id */
  86         { USB_DEVICE(0x044e, 0x3001) },
  87         { USB_DEVICE(0x044e, 0x3002) },
  88
  89         /* Ericsson with non-standard id */
  90         { USB_DEVICE(0x0bdb, 0x1002) },
  91
  92         /* Canyon CN-BTU1 with HID interfaces */
  93         { USB_DEVICE(0x0c10, 0x0000) },
  94
  95         /* Broadcom BCM20702A0 */
  96         { USB_DEVICE(0x0489, 0xe042) },
  97         { USB_DEVICE(0x0a5c, 0x21e3) },
  98         { USB_DEVICE(0x0a5c, 0x21e6) },
  99         { USB_DEVICE(0x0a5c, 0x21e8) },
 100         { USB_DEVICE(0x0a5c, 0x21f3) },
 101         { USB_DEVICE(0x413c, 0x8197) },
 102
 103         /* Foxconn - Hon Hai */
 104         { USB_DEVICE(0x0489, 0xe033) },
 105
 106         { }     /* Terminating entry */
 107 };
 108
 109 MODULE_DEVICE_TABLE(usb, btusb_table);
 110
 111 static struct usb_device_id blacklist_table[] = {
 112         /* CSR BlueCore devices */
 113         { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
 114
 115         /* Broadcom BCM2033 without firmware */
 116         { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
 117
 118         /* Atheros 3011 with sflash firmware */
 119         { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
 120         { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
 121         { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
 122         { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
 123         { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
 124
 125         /* Atheros AR9285 Malbec with sflash firmware */
 126         { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
 127
 128         /* Atheros 3012 with sflash firmware */
 129         { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
 130         { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
 131         { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
 132         { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
 133         { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
 134         { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
 135         { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
 136
 137         /* Atheros AR5BBU12 with sflash firmware */
 138         { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
 139
 140         /* Atheros AR5BBU12 with sflash firmware */
 141         { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
 142
 143         /* Broadcom BCM2035 */
 144         { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
 145         { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
 146         { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
 147
 148         /* Broadcom BCM2045 */
 149         { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
 150         { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
 151
 152         /* IBM/Lenovo ThinkPad with Broadcom chip */
 153         { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
 154         { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
 155
 156         /* HP laptop with Broadcom chip */
 157         { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
 158
 159         /* Dell laptop with Broadcom chip */
 160         { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
 161
 162         /* Dell Wireless 370 and 410 devices */
 163         { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
 164         { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
 165
 166         /* Belkin F8T012 and F8T013 devices */
 167         { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
 168         { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
 169
 170         /* Asus WL-BTD202 device */
 171         { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
 172
 173         /* Kensington Bluetooth USB adapter */
 174         { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
 175
 176         /* RTX Telecom based adapters with buggy SCO support */
 177         { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
 178         { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
 179
 180         /* CONWISE Technology based adapters with buggy SCO support */
 181         { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
 182
 183         /* Digianswer devices */
 184         { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
 185         { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
 186
 187         /* CSR BlueCore Bluetooth Sniffer */
 188         { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER },
 189
 190         /* Frontline ComProbe Bluetooth Sniffer */
 191         { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER },
 192
 193         { }     /* Terminating entry */
 194 };
 195
 196 #define BTUSB_MAX_ISOC_FRAMES   10
 197
 198 #define BTUSB_INTR_RUNNING      0
 199 #define BTUSB_BULK_RUNNING      1
 200 #define BTUSB_ISOC_RUNNING      2
 201 #define BTUSB_SUSPENDING        3
 202 #define BTUSB_DID_ISO_RESUME    4
 203
 204 struct btusb_data {
 205         struct hci_dev       *hdev;
 206         struct usb_device    *udev;
 207         struct usb_interface *intf;
 208         struct usb_interface *isoc;
 209
 210         spinlock_t lock;
 211
 212         unsigned long flags;
 213
 214         struct work_struct work;
 215         struct work_struct waker;
 216
 217         struct usb_anchor tx_anchor;
 218         struct usb_anchor intr_anchor;
 219         struct usb_anchor bulk_anchor;
 220         struct usb_anchor isoc_anchor;
 221         struct usb_anchor deferred;
 222         int tx_in_flight;
 223         spinlock_t txlock;
 224
 225         struct usb_endpoint_descriptor *intr_ep;
 226         struct usb_endpoint_descriptor *bulk_tx_ep;
 227         struct usb_endpoint_descriptor *bulk_rx_ep;
 228         struct usb_endpoint_descriptor *isoc_tx_ep;
 229         struct usb_endpoint_descriptor *isoc_rx_ep;
 230
 231         __u8 cmdreq_type;
 232
 233         unsigned int sco_num;
 234         int isoc_altsetting;
 235         int suspend_count;
 236 };
 237
 238 static int inc_tx(struct btusb_data *data)
 239 {
 240         unsigned long flags;
 241         int rv;
 242
 243         spin_lock_irqsave(&data->txlock, flags);
 244         rv = test_bit(BTUSB_SUSPENDING, &data->flags);
 245         if (!rv)
 246                 data->tx_in_flight++;
 247         spin_unlock_irqrestore(&data->txlock, flags);
 248
 249         return rv;
 250 }
 251
 252 static void btusb_intr_complete(struct urb *urb)
 253 {
 254         struct hci_dev *hdev = urb->context;
 255         struct btusb_data *data = hci_get_drvdata(hdev);
 256         int err;
 257
 258         BT_DBG("%s urb %p status %d count %d", hdev->name,
 259                                         urb, urb->status, urb->actual_length);
 260
 261         if (!test_bit(HCI_RUNNING, &hdev->flags))
 262                 return;
 263
 264         if (urb->status == 0) {
 265                 hdev->stat.byte_rx += urb->actual_length;
 266
 267                 if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
 268                                                 urb->transfer_buffer,
 269                                                 urb->actual_length) < 0) {
 270                         BT_ERR("%s corrupted event packet", hdev->name);
 271                         hdev->stat.err_rx++;
 272                 }
 273         }
 274
 275         if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
 276                 return;
 277
 278         usb_mark_last_busy(data->udev);
 279         usb_anchor_urb(urb, &data->intr_anchor);
 280
 281         err = usb_submit_urb(urb, GFP_ATOMIC);
 282         if (err < 0) {
 283                 /* -EPERM: urb is being killed;
 284                  * -ENODEV: device got disconnected */
 285                 if (err != -EPERM && err != -ENODEV)
 286                         BT_ERR("%s urb %p failed to resubmit (%d)",
 287                                                 hdev->name, urb, -err);
 288                 usb_unanchor_urb(urb);
 289         }
 290 }
 291
 292 static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
 293 {
 294         struct btusb_data *data = hci_get_drvdata(hdev);
 295         struct urb *urb;
 296         unsigned char *buf;
 297         unsigned int pipe;
 298         int err, size;
 299
 300         BT_DBG("%s", hdev->name);
 301
 302         if (!data->intr_ep)
 303                 return -ENODEV;
 304
 305         urb = usb_alloc_urb(0, mem_flags);
 306         if (!urb)
 307                 return -ENOMEM;
 308
 309         size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
 310
 311         buf = kmalloc(size, mem_flags);
 312         if (!buf) {
 313                 usb_free_urb(urb);
 314                 return -ENOMEM;
 315         }
 316
 317         pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
 318
 319         usb_fill_int_urb(urb, data->udev, pipe, buf, size,
 320                                                 btusb_intr_complete, hdev,
 321                                                 data->intr_ep->bInterval);
 322
 323         urb->transfer_flags |= URB_FREE_BUFFER;
 324
 325         usb_anchor_urb(urb, &data->intr_anchor);
 326
 327         err = usb_submit_urb(urb, mem_flags);
 328         if (err < 0) {
 329                 if (err != -EPERM && err != -ENODEV)
 330                         BT_ERR("%s urb %p submission failed (%d)",
 331                                                 hdev->name, urb, -err);
 332                 usb_unanchor_urb(urb);
 333         }
 334
 335         usb_free_urb(urb);
 336
 337         return err;
 338 }
 339
 340 static void btusb_bulk_complete(struct urb *urb)
 341 {
 342         struct hci_dev *hdev = urb->context;
 343         struct btusb_data *data = hci_get_drvdata(hdev);
 344         int err;
 345
 346         BT_DBG("%s urb %p status %d count %d", hdev->name,
 347                                         urb, urb->status, urb->actual_length);
 348
 349         if (!test_bit(HCI_RUNNING, &hdev->flags))
 350                 return;
 351
 352         if (urb->status == 0) {
 353                 hdev->stat.byte_rx += urb->actual_length;
 354
 355                 if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
 356                                                 urb->transfer_buffer,
 357                                                 urb->actual_length) < 0) {
 358                         BT_ERR("%s corrupted ACL packet", hdev->name);
 359                         hdev->stat.err_rx++;
 360                 }
 361         }
 362
 363         if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
 364                 return;
 365
 366         usb_anchor_urb(urb, &data->bulk_anchor);
 367         usb_mark_last_busy(data->udev);
 368
 369         err = usb_submit_urb(urb, GFP_ATOMIC);
 370         if (err < 0) {
 371                 /* -EPERM: urb is being killed;
 372                  * -ENODEV: device got disconnected */
 373                 if (err != -EPERM && err != -ENODEV)
 374                         BT_ERR("%s urb %p failed to resubmit (%d)",
 375                                                 hdev->name, urb, -err);
 376                 usb_unanchor_urb(urb);
 377         }
 378 }
 379
 380 static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
 381 {
 382         struct btusb_data *data = hci_get_drvdata(hdev);
 383         struct urb *urb;
 384         unsigned char *buf;
 385         unsigned int pipe;
 386         int err, size = HCI_MAX_FRAME_SIZE;
 387
 388         BT_DBG("%s", hdev->name);
 389
 390         if (!data->bulk_rx_ep)
 391                 return -ENODEV;
 392
 393         urb = usb_alloc_urb(0, mem_flags);
 394         if (!urb)
 395                 return -ENOMEM;
 396
 397         buf = kmalloc(size, mem_flags);
 398         if (!buf) {
 399                 usb_free_urb(urb);
 400                 return -ENOMEM;
 401         }
 402
 403         pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
 404
 405         usb_fill_bulk_urb(urb, data->udev, pipe,
 406                                         buf, size, btusb_bulk_complete, hdev);
 407
 408         urb->transfer_flags |= URB_FREE_BUFFER;
 409
 410         usb_mark_last_busy(data->udev);
 411         usb_anchor_urb(urb, &data->bulk_anchor);
 412
 413         err = usb_submit_urb(urb, mem_flags);
 414         if (err < 0) {
 415                 if (err != -EPERM && err != -ENODEV)
 416                         BT_ERR("%s urb %p submission failed (%d)",
 417                                                 hdev->name, urb, -err);
 418                 usb_unanchor_urb(urb);
 419         }
 420
 421         usb_free_urb(urb);
 422
 423         return err;
 424 }
 425
 426 static void btusb_isoc_complete(struct urb *urb)
 427 {
 428         struct hci_dev *hdev = urb->context;
 429         struct btusb_data *data = hci_get_drvdata(hdev);
 430         int i, err;
 431
 432         BT_DBG("%s urb %p status %d count %d", hdev->name,
 433                                         urb, urb->status, urb->actual_length);
 434
 435         if (!test_bit(HCI_RUNNING, &hdev->flags))
 436                 return;
 437
 438         if (urb->status == 0) {
 439                 for (i = 0; i < urb->number_of_packets; i++) {
 440                         unsigned int offset = urb->iso_frame_desc[i].offset;
 441                         unsigned int length = urb->iso_frame_desc[i].actual_length;
 442
 443                         if (urb->iso_frame_desc[i].status)
 444                                 continue;
 445
 446                         hdev->stat.byte_rx += length;
 447
 448                         if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
 449                                                 urb->transfer_buffer + offset,
 450                                                                 length) < 0) {
 451                                 BT_ERR("%s corrupted SCO packet", hdev->name);
 452                                 hdev->stat.err_rx++;
 453                         }
 454                 }
 455         }
 456
 457         if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
 458                 return;
 459
 460         usb_anchor_urb(urb, &data->isoc_anchor);
 461
 462         err = usb_submit_urb(urb, GFP_ATOMIC);
 463         if (err < 0) {
 464                 /* -EPERM: urb is being killed;
 465                  * -ENODEV: device got disconnected */
 466                 if (err != -EPERM && err != -ENODEV)
 467                         BT_ERR("%s urb %p failed to resubmit (%d)",
 468                                                 hdev->name, urb, -err);
 469                 usb_unanchor_urb(urb);
 470         }
 471 }
 472
 473 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
 474 {
 475         int i, offset = 0;
 476
 477         BT_DBG("len %d mtu %d", len, mtu);
 478
 479         for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
 480                                         i++, offset += mtu, len -= mtu) {
 481                 urb->iso_frame_desc[i].offset = offset;
 482                 urb->iso_frame_desc[i].length = mtu;
 483         }
 484
 485         if (len && i < BTUSB_MAX_ISOC_FRAMES) {
 486                 urb->iso_frame_desc[i].offset = offset;
 487                 urb->iso_frame_desc[i].length = len;
 488                 i++;
 489         }
 490
 491         urb->number_of_packets = i;
 492 }
 493
 494 static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
 495 {
 496         struct btusb_data *data = hci_get_drvdata(hdev);
 497         struct urb *urb;
 498         unsigned char *buf;
 499         unsigned int pipe;
 500         int err, size;
 501
 502         BT_DBG("%s", hdev->name);
 503
 504         if (!data->isoc_rx_ep)
 505                 return -ENODEV;
 506
 507         urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
 508         if (!urb)
 509                 return -ENOMEM;
 510
 511         size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
 512                                                 BTUSB_MAX_ISOC_FRAMES;
 513
 514         buf = kmalloc(size, mem_flags);
 515         if (!buf) {
 516                 usb_free_urb(urb);
 517                 return -ENOMEM;
 518         }
 519
 520         pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
 521
 522         usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
 523                                 hdev, data->isoc_rx_ep->bInterval);
 524
 525         urb->transfer_flags  = URB_FREE_BUFFER | URB_ISO_ASAP;
 526
 527         __fill_isoc_descriptor(urb, size,
 528                         le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
 529
 530         usb_anchor_urb(urb, &data->isoc_anchor);
 531
 532         err = usb_submit_urb(urb, mem_flags);
 533         if (err < 0) {
 534                 if (err != -EPERM && err != -ENODEV)
 535                         BT_ERR("%s urb %p submission failed (%d)",
 536                                                 hdev->name, urb, -err);
 537                 usb_unanchor_urb(urb);
 538         }
 539
 540         usb_free_urb(urb);
 541
 542         return err;
 543 }
 544
 545 static void btusb_tx_complete(struct urb *urb)
 546 {
 547         struct sk_buff *skb = urb->context;
 548         struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 549         struct btusb_data *data = hci_get_drvdata(hdev);
 550
 551         BT_DBG("%s urb %p status %d count %d", hdev->name,
 552                                         urb, urb->status, urb->actual_length);
 553
 554         if (!test_bit(HCI_RUNNING, &hdev->flags))
 555                 goto done;
 556
 557         if (!urb->status)
 558                 hdev->stat.byte_tx += urb->transfer_buffer_length;
 559         else
 560                 hdev->stat.err_tx++;
 561
 562 done:
 563         spin_lock(&data->txlock);
 564         data->tx_in_flight--;
 565         spin_unlock(&data->txlock);
 566
 567         kfree(urb->setup_packet);
 568
 569         kfree_skb(skb);
 570 }
 571
 572 static void btusb_isoc_tx_complete(struct urb *urb)
 573 {
 574         struct sk_buff *skb = urb->context;
 575         struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 576
 577         BT_DBG("%s urb %p status %d count %d", hdev->name,
 578                                         urb, urb->status, urb->actual_length);
 579
 580         if (!test_bit(HCI_RUNNING, &hdev->flags))
 581                 goto done;
 582
 583         if (!urb->status)
 584                 hdev->stat.byte_tx += urb->transfer_buffer_length;
 585         else
 586                 hdev->stat.err_tx++;
 587
 588 done:
 589         kfree(urb->setup_packet);
 590
 591         kfree_skb(skb);
 592 }
 593
 594 static int btusb_open(struct hci_dev *hdev)
 595 {
 596         struct btusb_data *data = hci_get_drvdata(hdev);
 597         int err;
 598
 599         BT_DBG("%s", hdev->name);
 600
 601         err = usb_autopm_get_interface(data->intf);
 602         if (err < 0)
 603                 return err;
 604
 605         data->intf->needs_remote_wakeup = 1;
 606
 607         if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
 608                 goto done;
 609
 610         if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
 611                 goto done;
 612
 613         err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
 614         if (err < 0)
 615                 goto failed;
 616
 617         err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
 618         if (err < 0) {
 619                 usb_kill_anchored_urbs(&data->intr_anchor);
 620                 goto failed;
 621         }
 622
 623         set_bit(BTUSB_BULK_RUNNING, &data->flags);
 624         btusb_submit_bulk_urb(hdev, GFP_KERNEL);
 625
 626 done:
 627         usb_autopm_put_interface(data->intf);
 628         return 0;
 629
 630 failed:
 631         clear_bit(BTUSB_INTR_RUNNING, &data->flags);
 632         clear_bit(HCI_RUNNING, &hdev->flags);
 633         usb_autopm_put_interface(data->intf);
 634         return err;
 635 }
 636
 637 static void btusb_stop_traffic(struct btusb_data *data)
 638 {
 639         usb_kill_anchored_urbs(&data->intr_anchor);
 640         usb_kill_anchored_urbs(&data->bulk_anchor);
 641         usb_kill_anchored_urbs(&data->isoc_anchor);
 642 }
 643
 644 static int btusb_close(struct hci_dev *hdev)
 645 {
 646         struct btusb_data *data = hci_get_drvdata(hdev);
 647         int err;
 648
 649         BT_DBG("%s", hdev->name);
 650
 651         if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
 652                 return 0;
 653
 654         cancel_work_sync(&data->work);
 655         cancel_work_sync(&data->waker);
 656
 657         clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 658         clear_bit(BTUSB_BULK_RUNNING, &data->flags);
 659         clear_bit(BTUSB_INTR_RUNNING, &data->flags);
 660
 661         btusb_stop_traffic(data);
 662         err = usb_autopm_get_interface(data->intf);
 663         if (err < 0)
 664                 goto failed;
 665
 666         data->intf->needs_remote_wakeup = 0;
 667         usb_autopm_put_interface(data->intf);
 668
 669 failed:
 670         usb_scuttle_anchored_urbs(&data->deferred);
 671         return 0;
 672 }
 673
 674 static int btusb_flush(struct hci_dev *hdev)
 675 {
 676         struct btusb_data *data = hci_get_drvdata(hdev);
 677
 678         BT_DBG("%s", hdev->name);
 679
 680         usb_kill_anchored_urbs(&data->tx_anchor);
 681
 682         return 0;
 683 }
 684
 685 static int btusb_send_frame(struct sk_buff *skb)
 686 {
 687         struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 688         struct btusb_data *data = hci_get_drvdata(hdev);
 689         struct usb_ctrlrequest *dr;
 690         struct urb *urb;
 691         unsigned int pipe;
 692         int err;
 693
 694         BT_DBG("%s", hdev->name);
 695
 696         if (!test_bit(HCI_RUNNING, &hdev->flags))
 697                 return -EBUSY;
 698
 699         switch (bt_cb(skb)->pkt_type) {
 700         case HCI_COMMAND_PKT:
 701                 urb = usb_alloc_urb(0, GFP_ATOMIC);
 702                 if (!urb)
 703                         return -ENOMEM;
 704
 705                 dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
 706                 if (!dr) {
 707                         usb_free_urb(urb);
 708                         return -ENOMEM;
 709                 }
 710
 711                 dr->bRequestType = data->cmdreq_type;
 712                 dr->bRequest     = 0;
 713                 dr->wIndex       = 0;
 714                 dr->wValue       = 0;
 715                 dr->wLength      = __cpu_to_le16(skb->len);
 716
 717                 pipe = usb_sndctrlpipe(data->udev, 0x00);
 718
 719                 usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
 720                                 skb->data, skb->len, btusb_tx_complete, skb);
 721
 722                 hdev->stat.cmd_tx++;
 723                 break;
 724
 725         case HCI_ACLDATA_PKT:
 726                 if (!data->bulk_tx_ep)
 727                         return -ENODEV;
 728
 729                 urb = usb_alloc_urb(0, GFP_ATOMIC);
 730                 if (!urb)
 731                         return -ENOMEM;
 732
 733                 pipe = usb_sndbulkpipe(data->udev,
 734                                         data->bulk_tx_ep->bEndpointAddress);
 735
 736                 usb_fill_bulk_urb(urb, data->udev, pipe,
 737                                 skb->data, skb->len, btusb_tx_complete, skb);
 738
 739                 hdev->stat.acl_tx++;
 740                 break;
 741
 742         case HCI_SCODATA_PKT:
 743                 if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1)
 744                         return -ENODEV;
 745
 746                 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
 747                 if (!urb)
 748                         return -ENOMEM;
 749
 750                 pipe = usb_sndisocpipe(data->udev,
 751                                         data->isoc_tx_ep->bEndpointAddress);
 752
 753                 usb_fill_int_urb(urb, data->udev, pipe,
 754                                 skb->data, skb->len, btusb_isoc_tx_complete,
 755                                 skb, data->isoc_tx_ep->bInterval);
 756
 757                 urb->transfer_flags  = URB_ISO_ASAP;
 758
 759                 __fill_isoc_descriptor(urb, skb->len,
 760                                 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
 761
 762                 hdev->stat.sco_tx++;
 763                 goto skip_waking;
 764
 765         default:
 766                 return -EILSEQ;
 767         }
 768
 769         err = inc_tx(data);
 770         if (err) {
 771                 usb_anchor_urb(urb, &data->deferred);
 772                 schedule_work(&data->waker);
 773                 err = 0;
 774                 goto done;
 775         }
 776
 777 skip_waking:
 778         usb_anchor_urb(urb, &data->tx_anchor);
 779
 780         err = usb_submit_urb(urb, GFP_ATOMIC);
 781         if (err < 0) {
 782                 if (err != -EPERM && err != -ENODEV)
 783                         BT_ERR("%s urb %p submission failed (%d)",
 784                                                 hdev->name, urb, -err);
 785                 kfree(urb->setup_packet);
 786                 usb_unanchor_urb(urb);
 787         } else {
 788                 usb_mark_last_busy(data->udev);
 789         }
 790
 791 done:
 792         usb_free_urb(urb);
 793         return err;
 794 }
 795
 796 static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
 797 {
 798         struct btusb_data *data = hci_get_drvdata(hdev);
 799
 800         BT_DBG("%s evt %d", hdev->name, evt);
 801
 802         if (hdev->conn_hash.sco_num != data->sco_num) {
 803                 data->sco_num = hdev->conn_hash.sco_num;
 804                 schedule_work(&data->work);
 805         }
 806 }
 807
 808 static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
 809 {
 810         struct btusb_data *data = hci_get_drvdata(hdev);
 811         struct usb_interface *intf = data->isoc;
 812         struct usb_endpoint_descriptor *ep_desc;
 813         int i, err;
 814
 815         if (!data->isoc)
 816                 return -ENODEV;
 817
 818         err = usb_set_interface(data->udev, 1, altsetting);
 819         if (err < 0) {
 820                 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
 821                 return err;
 822         }
 823
 824         data->isoc_altsetting = altsetting;
 825
 826         data->isoc_tx_ep = NULL;
 827         data->isoc_rx_ep = NULL;
 828
 829         for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
 830                 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
 831
 832                 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
 833                         data->isoc_tx_ep = ep_desc;
 834                         continue;
 835                 }
 836
 837                 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
 838                         data->isoc_rx_ep = ep_desc;
 839                         continue;
 840                 }
 841         }
 842
 843         if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
 844                 BT_ERR("%s invalid SCO descriptors", hdev->name);
 845                 return -ENODEV;
 846         }
 847
 848         return 0;
 849 }
 850
 851 static void btusb_work(struct work_struct *work)
 852 {
 853         struct btusb_data *data = container_of(work, struct btusb_data, work);
 854         struct hci_dev *hdev = data->hdev;
 855         int new_alts;
 856         int err;
 857
 858         if (hdev->conn_hash.sco_num > 0) {
 859                 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
 860                         err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
 861                         if (err < 0) {
 862                                 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 863                                 usb_kill_anchored_urbs(&data->isoc_anchor);
 864                                 return;
 865                         }
 866
 867                         set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
 868                 }
 869
 870                 if (hdev->voice_setting & 0x0020) {
 871                         static const int alts[3] = { 2, 4, 5 };
 872                         new_alts = alts[hdev->conn_hash.sco_num - 1];
 873                 } else {
 874                         new_alts = hdev->conn_hash.sco_num;
 875                 }
 876
 877                 if (data->isoc_altsetting != new_alts) {
 878                         clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 879                         usb_kill_anchored_urbs(&data->isoc_anchor);
 880
 881                         if (__set_isoc_interface(hdev, new_alts) < 0)
 882                                 return;
 883                 }
 884
 885                 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
 886                         if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
 887                                 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 888                         else
 889                                 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
 890                 }
 891         } else {
 892                 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 893                 usb_kill_anchored_urbs(&data->isoc_anchor);
 894
 895                 __set_isoc_interface(hdev, 0);
 896                 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
 897                         usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
 898         }
 899 }
 900
 901 static void btusb_waker(struct work_struct *work)
 902 {
 903         struct btusb_data *data = container_of(work, struct btusb_data, waker);
 904         int err;
 905
 906         err = usb_autopm_get_interface(data->intf);
 907         if (err < 0)
 908                 return;
 909
 910         usb_autopm_put_interface(data->intf);
 911 }
 912
 913 static int btusb_probe(struct usb_interface *intf,
 914                                 const struct usb_device_id *id)
 915 {
 916         struct usb_endpoint_descriptor *ep_desc;
 917         struct btusb_data *data;
 918         struct hci_dev *hdev;
 919         int i, err;
 920
 921         BT_DBG("intf %p id %p", intf, id);
 922
 923         /* interface numbers are hardcoded in the spec */
 924         if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
 925                 return -ENODEV;
 926
 927         if (!id->driver_info) {
 928                 const struct usb_device_id *match;
 929                 match = usb_match_id(intf, blacklist_table);
 930                 if (match)
 931                         id = match;
 932         }
 933
 934         if (id->driver_info == BTUSB_IGNORE)
 935                 return -ENODEV;
 936
 937         if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER)
 938                 return -ENODEV;
 939
 940         if (ignore_csr && id->driver_info & BTUSB_CSR)
 941                 return -ENODEV;
 942
 943         if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
 944                 return -ENODEV;
 945
 946         if (id->driver_info & BTUSB_ATH3012) {
 947                 struct usb_device *udev = interface_to_usbdev(intf);
 948
 949                 /* Old firmware would otherwise let ath3k driver load
 950                  * patch and sysconfig files */
 951                 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
 952                         return -ENODEV;
 953         }
 954
 955         data = kzalloc(sizeof(*data), GFP_KERNEL);
 956         if (!data)
 957                 return -ENOMEM;
 958
 959         for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
 960                 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
 961
 962                 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
 963                         data->intr_ep = ep_desc;
 964                         continue;
 965                 }
 966
 967                 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
 968                         data->bulk_tx_ep = ep_desc;
 969                         continue;
 970                 }
 971
 972                 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
 973                         data->bulk_rx_ep = ep_desc;
 974                         continue;
 975                 }
 976         }
 977
 978         if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
 979                 kfree(data);
 980                 return -ENODEV;
 981         }
 982
 983         data->cmdreq_type = USB_TYPE_CLASS;
 984
 985         data->udev = interface_to_usbdev(intf);
 986         data->intf = intf;
 987
 988         spin_lock_init(&data->lock);
 989
 990         INIT_WORK(&data->work, btusb_work);
 991         INIT_WORK(&data->waker, btusb_waker);
 992         spin_lock_init(&data->txlock);
 993
 994         init_usb_anchor(&data->tx_anchor);
 995         init_usb_anchor(&data->intr_anchor);
 996         init_usb_anchor(&data->bulk_anchor);
 997         init_usb_anchor(&data->isoc_anchor);
 998         init_usb_anchor(&data->deferred);
 999
1000         hdev = hci_alloc_dev();
1001         if (!hdev) {
1002                 kfree(data);
1003                 return -ENOMEM;
1004         }
1005
1006         hdev->bus = HCI_USB;
1007         hci_set_drvdata(hdev, data);
1008
1009         data->hdev = hdev;
1010
1011         SET_HCIDEV_DEV(hdev, &intf->dev);
1012
1013         hdev->open     = btusb_open;
1014         hdev->close    = btusb_close;
1015         hdev->flush    = btusb_flush;
1016         hdev->send     = btusb_send_frame;
1017         hdev->notify   = btusb_notify;
1018
1019         /* Interface numbers are hardcoded in the specification */
1020         data->isoc = usb_ifnum_to_if(data->udev, 1);
1021
1022         if (!reset)
1023                 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1024
1025         if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
1026                 if (!disable_scofix)
1027                         set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
1028         }
1029
1030         if (id->driver_info & BTUSB_BROKEN_ISOC)
1031                 data->isoc = NULL;
1032
1033         if (id->driver_info & BTUSB_DIGIANSWER) {
1034                 data->cmdreq_type = USB_TYPE_VENDOR;
1035                 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1036         }
1037
1038         if (id->driver_info & BTUSB_CSR) {
1039                 struct usb_device *udev = data->udev;
1040
1041                 /* Old firmware would otherwise execute USB reset */
1042                 if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117)
1043                         set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1044         }
1045
1046         if (id->driver_info & BTUSB_SNIFFER) {
1047                 struct usb_device *udev = data->udev;
1048
1049                 /* New sniffer firmware has crippled HCI interface */
1050                 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
1051                         set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
1052
1053                 data->isoc = NULL;
1054         }
1055
1056         if (id->driver_info & BTUSB_BCM92035) {
1057                 unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 };
1058                 struct sk_buff *skb;
1059
1060                 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
1061                 if (skb) {
1062                         memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd));
1063                         skb_queue_tail(&hdev->driver_init, skb);
1064                 }
1065         }
1066
1067         if (data->isoc) {
1068                 err = usb_driver_claim_interface(&btusb_driver,
1069                                                         data->isoc, data);
1070                 if (err < 0) {
1071                         hci_free_dev(hdev);
1072                         kfree(data);
1073                         return err;
1074                 }
1075         }
1076
1077         err = hci_register_dev(hdev);
1078         if (err < 0) {
1079                 hci_free_dev(hdev);
1080                 kfree(data);
1081                 return err;
1082         }
1083
1084         usb_set_intfdata(intf, data);
1085
1086         return 0;
1087 }
1088
1089 static void btusb_disconnect(struct usb_interface *intf)
1090 {
1091         struct btusb_data *data = usb_get_intfdata(intf);
1092         struct hci_dev *hdev;
1093
1094         BT_DBG("intf %p", intf);
1095
1096         if (!data)
1097                 return;
1098
1099         hdev = data->hdev;
1100         usb_set_intfdata(data->intf, NULL);
1101
1102         if (data->isoc)
1103                 usb_set_intfdata(data->isoc, NULL);
1104
1105         hci_unregister_dev(hdev);
1106
1107         if (intf == data->isoc)
1108                 usb_driver_release_interface(&btusb_driver, data->intf);
1109         else if (data->isoc)
1110                 usb_driver_release_interface(&btusb_driver, data->isoc);
1111
1112         hci_free_dev(hdev);
1113         kfree(data);
1114 }
1115
1116 #ifdef CONFIG_PM
1117 static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
1118 {
1119         struct btusb_data *data = usb_get_intfdata(intf);
1120
1121         BT_DBG("intf %p", intf);
1122
1123         if (data->suspend_count++)
1124                 return 0;
1125
1126         spin_lock_irq(&data->txlock);
1127         if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
1128                 set_bit(BTUSB_SUSPENDING, &data->flags);
1129                 spin_unlock_irq(&data->txlock);
1130         } else {
1131                 spin_unlock_irq(&data->txlock);
1132                 data->suspend_count--;
1133                 return -EBUSY;
1134         }
1135
1136         cancel_work_sync(&data->work);
1137
1138         btusb_stop_traffic(data);
1139         usb_kill_anchored_urbs(&data->tx_anchor);
1140
1141         return 0;
1142 }
1143
1144 static void play_deferred(struct btusb_data *data)
1145 {
1146         struct urb *urb;
1147         int err;
1148
1149         while ((urb = usb_get_from_anchor(&data->deferred))) {
1150                 err = usb_submit_urb(urb, GFP_ATOMIC);
1151                 if (err < 0)
1152                         break;
1153
1154                 data->tx_in_flight++;
1155         }
1156         usb_scuttle_anchored_urbs(&data->deferred);
1157 }
1158
1159 static int btusb_resume(struct usb_interface *intf)
1160 {
1161         struct btusb_data *data = usb_get_intfdata(intf);
1162         struct hci_dev *hdev = data->hdev;
1163         int err = 0;
1164
1165         BT_DBG("intf %p", intf);
1166
1167         if (--data->suspend_count)
1168                 return 0;
1169
1170         if (!test_bit(HCI_RUNNING, &hdev->flags))
1171                 goto done;
1172
1173         if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
1174                 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
1175                 if (err < 0) {
1176                         clear_bit(BTUSB_INTR_RUNNING, &data->flags);
1177                         goto failed;
1178                 }
1179         }
1180
1181         if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
1182                 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
1183                 if (err < 0) {
1184                         clear_bit(BTUSB_BULK_RUNNING, &data->flags);
1185                         goto failed;
1186                 }
1187
1188                 btusb_submit_bulk_urb(hdev, GFP_NOIO);
1189         }
1190
1191         if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
1192                 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
1193                         clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1194                 else
1195                         btusb_submit_isoc_urb(hdev, GFP_NOIO);
1196         }
1197
1198         spin_lock_irq(&data->txlock);
1199         play_deferred(data);
1200         clear_bit(BTUSB_SUSPENDING, &data->flags);
1201         spin_unlock_irq(&data->txlock);
1202         schedule_work(&data->work);
1203
1204         return 0;
1205
1206 failed:
1207         usb_scuttle_anchored_urbs(&data->deferred);
1208 done:
1209         spin_lock_irq(&data->txlock);
1210         clear_bit(BTUSB_SUSPENDING, &data->flags);
1211         spin_unlock_irq(&data->txlock);
1212
1213         return err;
1214 }
1215 #endif
1216
1217 static struct usb_driver btusb_driver = {
1218         .name           = "btusb",
1219         .probe          = btusb_probe,
1220         .disconnect     = btusb_disconnect,
1221 #ifdef CONFIG_PM
1222         .suspend        = btusb_suspend,
1223         .resume         = btusb_resume,
1224 #endif
1225         .id_table       = btusb_table,
1226         .supports_autosuspend = 1,
1227         .disable_hub_initiated_lpm = 1,
1228 };
1229
1230 module_usb_driver(btusb_driver);
1231
1232 module_param(ignore_dga, bool, 0644);
1233 MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001");
1234
1235 module_param(ignore_csr, bool, 0644);
1236 MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001");
1237
1238 module_param(ignore_sniffer, bool, 0644);
1239 MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002");
1240
1241 module_param(disable_scofix, bool, 0644);
1242 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
1243
1244 module_param(force_scofix, bool, 0644);
1245 MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
1246
1247 module_param(reset, bool, 0644);
1248 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
1249
1250 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
1251 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
1252 MODULE_VERSION(VERSION);
1253 MODULE_LICENSE("GPL");